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TABLE 1
<br /> Historical Groundwater Levels and Chemical Analysis Results
<br /> For TPHH,BTEX,&Fuel Oxygenates
<br /> Boulevard Automotive
<br /> 2151 Country Club Boulevard
<br /> Stockton,California
<br /> Well Screen Depth to Groundwater TPHg/ Ethyl- Total
<br /> Well Elevation[1] Interval Date Groundwater[2] Elevation TPPH[3] Benzene[4] Toluene[4] benzene[4] Xylenes[4] MTBE[4] DIPE[41 ETBE[4] TAME[4] TBA[4] EDB[4] 1,2-DCA[41
<br /> No. (ft-msl) (ft-b s) Sampled (feet) (ft-msl) (u 4) (a ) (a /l) (a ) (u /1) (u ) (u ) (u ) (a (a ) (a /l) (a
<br /> MW-4 1.68 10-30 1/20/1999 8.87 -7.19 180,000 20,000 22,000 3,500 19,000 <85 <85 <85 <85 <430
<br /> 5/28/1999 8.36 -6.68 84,000 14,000 8,300 2,900 15,000 <5 <5 <5 <5 <25
<br /> 9/1/1999 10.85 -9.17 120,000 17,000 11,000 3,100 15,000 <50 <50 <50 <50 <250
<br /> 2/11/2000 8.23 -6.55 120,000 17,000 11,000 3,100 16,000 <100 <100 <100 <100 <500
<br /> 6/30/2000 8.65 -6.97 110,000 13,000 7,500 3,000 15,000 <50 <50 <50 <50 <250
<br /> 8/25/2000 10.20 -8.52 99,000 14,000 9,100 2,500 14,000 <50 <50 <50 <50 <250
<br /> 11/21/2000 9.53 -7.85 120,000 19,000 12,000 3,900 20,000 <35 <35 <35 <35 <175
<br /> 2/14/2001 9.31 -7.63 97,000 14,000 6,900 3,100 15,000 <50 <50 <50 <50 <250 <50 560
<br /> 5/16/2001 8.35 -6.67 93,000 11,000 5,500 2,800 14,000 <35 <35 <35 <35 <175 <35 230
<br /> 8/21/2001 11.05 -9.37 110,000 15,000 8,900 3,500 17,000 8.6 <5 <5 <5 <25 100 370
<br /> 11/20/2001 11.66 -9.98 110,000 16,000 10,000 3,400 17,000 <10 <10 <10 <10 64 <10 700
<br /> 2/22/2002 8.04 -6.36 99,000 13,000 7,700 3,000 16,000 <5 <5 <5 <5 <25 <5 400
<br /> 5/24/2002 8.54 -6.86 140,000 15,000 8,500 3,400 17,000 <10 <10 <10 <10 <100 <10 280
<br /> 8/28/2002 11.21 -9.53 160,000 20,000 15,000 4,200 21,000 <17 <10 <10 <10 <100 <10 680
<br /> 11/14/2002 11.71 -10.03 150,000 21,000 16,000 3,900 19,000 <25 <25 <25 <25 <250 <25 320
<br /> 2/20/2003 8.63 -6.95 140,000 18,000 12,000 3,300 16,000 <100 <100 <100 <100 <1000 <100 860
<br /> 5/22/2003 9.02 -7.34 140,000 15,000 10,000 3,300 17,000 <25 <25 <25 <25 <250 <25 690
<br /> 8/21/2003 11.44 -9.76 130,000 18,000 12,000 3,300 16,000 <83 <83 <83 <83 <830 <83 670
<br /> 11/24/2003 11.43 -9.75 110,000 22,000 14,000 3,300 17,000 <50 <50 <50 <50 <250 <50 730
<br /> 2/16/2004 8.87 -7.19 200,000 17,000 11,000 7,000 6,800 <1 <1 <1 520 <10 <0.5 1,600
<br /> 5/17/2004 9.32 -7.64 70,000 32,000 14,000 2,600 11,900 <10 <10 <10 790 <100 <10 440
<br /> 8/24/2004 11.69 -10.01 79,000 14,000 13,000 3,000 12,600 <10 <10 <10 220 <100 <10 420
<br /> 11/15/2004 10.86 -9.18 120,000 19,000 17,000 3,800 26,700 <10 <10 <10 <10 <100 <10 73
<br /> 2/13/2006 8.19 -6.51 44,000 7,600 7,000 1,800 11,200 <10 <10 <10 270 <100 <10 <10
<br /> 5/15/2006 7.29 -5.61 53,000 12,000 6,600 3,000 12,200 <1 <10 <10 96 <100 <0.5 <0.5
<br /> 11/13/2006 10.78 -9.10 110,000 17,000 11,000 6,500 18,000 <5 80 <5 290 <50 <2.5 <2.5
<br /> 2/12/2007 8.98 -7.30 140,000 26,000 13,000 3,400 17,000 <5 <5 <5 170 <50 <2.5 <2.5
<br /> 5/14/2007 9.33 -7.65 150,000 19,000 17,000 4,300 22,000 <5 <1 <5 400 <50 <2.5 330
<br /> 8/13/2007 11.43 -9.75 160,000 22,000 15,000 4,800 32,500 <5 <1 <5 240 <50 <2.5 170
<br /> 11/12/2007 11.61 -9.93 200,000 23,000 29,000 7,100 38,000 <5 <5 <5 600 <10 <0.5 220
<br /> 2/11/2008 7.74 -6.06 180,000 18,000 11,000 4,000 20,000 <5 <5 <5 350 <10 <0.5 190
<br /> 5/12/2008 9.96 -8.28 180,000 15,000 13,000 3,200 21,600 <5 <5 <5 340 <10 <0.5 150
<br /> 8/11/2008 11.45 -9.77 190,000 23,000 10,000 1,600 13,200 <5 <5 <5 22 <10 <0.5 280
<br /> 11/10/2008 11.65 -9.97 220,000 18,000 12,000 3,900 22,700 <1 <1 <1 11 <10 <0.5 110
<br /> 9/30/2009 12.80 -11.12 230,000 21,000 20,000 3,700 26,300 <1 <1 <1 190 <10 <0.5 81
<br /> 6/25/2010 -- -- -- --
<br /> -- -- -- -- -- -- -- -- -- --
<br /> 11/3/2010 11.59 -9.91 100,000 20,000 11,000 4,000 20,300 <1 <0.5
<br /> 5/2/2011 8.05 -6.37 100,000 12,000 5,100 2,700 17,400 5.2 130
<br /> 12/19/2011 10.81 -9.13 140,000 20,000 13,000 9,200 46,000 14.0 110
<br /> 1/13/2012 10.60 -8.92 110,000 22,000 18,000 5,700 28,500 <1 <1 <1 9.5 <10 <0.5 140
<br /> 4/25/2012 8.76 -7.08 300,000 17,000 9,800 3,300 24,900 <1 <1 <1 19 <10 <0.5 88
<br /> 5/2/2012 -- -- 280,000 17,000 6,900 3,200 23,500 <1 <1 <1 21 <10 <0.5 54
<br /> 5/9/2012 280,000 17,000 6,800 2,800 21,900 <1 <1 <1 40 <10 <0.5 110
<br /> FREY Environmental,Inc. Table 1-Page 7 of 32 Project No.1175-01
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